Logic Puzzles

Interactive challenges designed to help students master deductive reasoning, pattern recognition, and systematic elimination.

Futoshiki: Unequal Grid Deduction

Place numbers into the grid so every row and column contains unique digits while satisfying all inequality (<, >, ∧, ∨) clues.

Easy: 4×4 Grid Medium: 5×5 Grid Hard: 5×5 Grid

Kakuro: Cross Sums Deduction

Fill the white squares with digits 1–9 so every across and down clue run equals its target sum without repeating digits.

Easy: 4×4 / 5×5 Medium: 6×6 Classic Hard: 7×7 Grid

Cryptosums: Symbol Sum Deduction

Deduce the unique single-digit numbers represented by geometric symbols using row, column, and diagonal sums.

Easy: 3×3 Grid Medium: 4×4 Grid Hard: 5×5 Grid

Domino Ring Puzzle

Arrange number dominoes around the 3×3 board grid so matching numbers touch at every shared corner.

Weekly Logic Challenges

Explore our weekly logic grid puzzles, mobile balancing challenges, and rebus puzzles designed to sharpen your thinking.